[media] r820t: use the right IF for the selected TV standard

IF is set at r820t_set_tv_standard(). So, we can't calculate
LO frequency before calling it.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Tested-by: Antti Palosaari <crope@iki.fi>
1 file changed